<!DOCTYPE html>
<html class="reftest-wait">
  <head>
    <style id="s">
      span { display: table-cell ! important }
    </style>
    <script>
      function doTest() {
        var s = document.getElementById("s");
        s.disabled = true;
        document.body.offsetWidth;
        s.disabled = false;
        document.documentElement.className = "";
      }
    </script>
  </head>
  <body onload="doTest()">
    <span style="display: block">a b</span>
    <span style="display: block">c d</span>
  </body>
</html>
